Struct MLCActivationType 

#[repr(transparent)]
pub struct MLCActivationType(pub i32);

Available on crate feature MLCTypes only.

An activation type that you specify for an activation descriptor.

See also Apple’s documentation

Tuple Fields

0: i32

Implementations

impl MLCActivationType

pub const None: Self

The identity activation type.

pub const ReLU: Self

The ReLU activation type.

This activation type implements the following function:

  f(x) = x >= 0 ? x : a * x

pub const Linear: Self

The linear activation type.

This activation type implements the following function:

  f(x) = a * x + b

pub const Sigmoid: Self

The sigmoid activation type.

This activation type implements the following function:

  f(x) = 1 / (1 + e⁻ˣ)

pub const HardSigmoid: Self

The hard sigmoid activation type.

This activation type implements the following function:

  f(x) = clamp((x * a) + b, 0, 1)

pub const Tanh: Self

The hyperbolic tangent (TanH) activation type.

This activation type implements the following function:

  f(x) = a * tanh(b * x)

pub const Absolute: Self

The absolute activation type.

This activation type implements the following function:

  f(x) = fabs(x)

pub const SoftPlus: Self

The parametric soft plus activation type.

This activation type implements the following function:

  f(x) = a * log(1 + e^(b * x))

pub const SoftSign: Self

The parametric soft sign activation type.

This activation type implements the following function:

  f(x) = x / (1 + abs(x))
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pub const ELU: Self

The parametric ELU activation type.

This activation type implements the following function:

  f(x) = x >= 0 ? x : a * (exp(x) - 1)

pub const ReLUN: Self

The ReLUN activation type.

This activation type implements the following function:

  f(x) = min((x >= 0 ? x : a * x), b)

pub const LogSigmoid: Self

The log sigmoid activation type.

This activation type implements the following function:

  f(x) = log(1 / (1 + exp(-x)))

pub const SELU: Self

The SELU activation type.

This activation type implements the following function:

  f(x) = scale * (max(0, x) + min(0, α * (exp(x) − 1)))

where:

  α = 1.6732632423543772848170429916717
  scale = 1.0507009873554804934193349852946

pub const CELU: Self

The CELU activation type.

This activation type implements the following function:

  f(x) = max(0, x) + min(0, a * (exp(x / a) − 1))

pub const HardShrink: Self

The hard shrink activation type.

This activation type implements the following function:

  f(x) = x, if x > a or x < −a, else 0

pub const SoftShrink: Self

The soft shrink activation type.

This activation type implements the following function:

  f(x) = x - a, if x > a, x + a, if x < −a, else 0

pub const TanhShrink: Self

The hyperbolic tangent (TanH) shrink activation type.

This activation type implements the following function:

  f(x) = x - tanh(x)

pub const Threshold: Self

The threshold activation type.

This activation type implements the following function:

  f(x) = x, if x > a, else b

pub const GELU: Self

The GELU activation type.

This activation type implements the following function:

  f(x) = x * CDF(x)

pub const HardSwish: Self

The hardswish activation type.

This activation type implements the following function:

  f(x) = 0, if x <= -3
  f(x) = x, if x >= +3
  f(x) = x * (x + 3)/6, otherwise

pub const Clamp: Self

The clamp activation type.

This activation type implements the following function:

  f(x) = min(max(x, a), b)

pub const Count: Self

The clamp activation type.

This activation type implements the following function:

  f(x) = min(max(x, a), b)

impl MLCActivationType

pub unsafe fn debug_description(self) -> Retained<NSString>

Returns a textual description of the activation type, suitable for debugging.

Trait Implementations

impl Clone for MLCActivationType

fn clone(&self) -> MLCActivationType

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MLCActivationType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Encode for MLCActivationType

const ENCODING: Encoding = i32::ENCODING

The Objective-C type-encoding for this type.

impl Hash for MLCActivationType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for MLCActivationType

fn cmp(&self, other: &MLCActivationType) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for MLCActivationType

fn eq(&self, other: &MLCActivationType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for MLCActivationType

fn partial_cmp(&self, other: &MLCActivationType) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl RefEncode for MLCActivationType

const ENCODING_REF: Encoding

The Objective-C type-encoding for a reference of this type.

impl Copy for MLCActivationType

impl Eq for MLCActivationType

impl StructuralPartialEq for MLCActivationType